导出excel

使用复制形式，导出excel

function ToExcel() {

           if (!document.getElementById("table")) {
               return false;
           }

           var oXL = new ActiveXObject("Excel.Application");
           var oWB = oXL.Workbooks.Add();
           var oSheet = oWB.ActiveSheet;
           var sel = document.body.createTextRange();
           sel.moveToElementText(table);
           sel.select();
           sel.execCommand("Copy");
           oSheet.Paste();
           oXL.Visible = true;

       }